Home / 2,912,241.40-4,368,362.10-1,778,500.60

Finding the Fourth Proportional to 2,912,241.40, 4,368,362.10 and 1,778,500.60

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Solution

The fourth proportional to 2,912,241.40, 4,368,362.10 and 1,778,500.60 is: 2,667,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,241.40 : 4,368,362.10 = 1,778,500.60 : x
  2. Step 2: Convert to fraction form
    2,912,241.40/4,368,362.10 = 1,778,500.60/x
  3. Step 3: Cross multiply
    2,912,241.40x = 4,368,362.10 × 1,778,500.60
  4. Step 4: Simplify right side
    2,912,241.40x = 7,769,134,615,867.26
  5. Step 5: Solve for x
    x = 7,769,134,615,867.26/2,912,241.40
  6. Step 6: Final answer
    x = 2,667,750.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.